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Durable Pre Filter

Comments On Jan 22, 2015:The Outerwear Pre Filter is well made and seems like a nice addition to my K&N filter. A large volume of clean air is one of the cheapest hp increases you can make, so a good investment in opinion. The Pre Filter is tappered (larger on one end than the other) so be sure to identify that during install. (makes the process much easier, oops)

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Great fit

TROY in CA – Machine this part was bought for: 2002 HONDA TRX 400EX

Comments On Jan 13, 2015:Fit and worked great

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MUST HAVE

Jody in AZ – Machine this part was bought for: 2006 YAMAHA YFZ 450

Comments On Jun 10, 2014:When you purchase a new filter you have got to buy the pre-filter to go with it. It makes cleaning so much easier and I feel confident that the fine AZ silt is not getting in.

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For a little more protection

Gene in OR – Machine this part was bought for: 2001 HONDA TRX 400EX

Comments On Apr 19, 2014:Does as it should. I just bought a second one after 8 years of use. It had some holes in it, but great life span.

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k&n filter

Comments On Dec 18, 2013:very well done product! fits very well i have no complaints about this product!

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Perfect

MIKE in OK – Machine this part was bought for: 2004 YAMAHA YFZ 450

Comments On Nov 13, 2013:Great fit, long lasting insurance.

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Filter

CHRIS in IN – Machine this part was bought for: 1986 SUZUKI LT250R QUADRACER

Comments On Oct 21, 2013:Works good

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Cheap Insurance

Jeremiah in OH – Machine this part was bought for: 2002 HONDA XR400R

Comments On Sep 26, 2013:Kept the sand out of the critical components on a recent dunes trip. Couple the pre-filter with a K&N and a little grease and the airbox is SEALED! Sure beats sucking sand into the carb...

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Any product that adds engine longevity is good!!

Paul in NSW – Machine this part was bought for: 2010 YAMAHA YFZ450R

Comments On Aug 27, 2013:Great idea & works well, only reason i didn't give 5 stars is it has no instructions about whether or not the pre filter should be oiled or not, fit was spot on.

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Protects the filter

Lee in TN

Comments On Jul 22, 2013:Was having to clean filter all the time now cuts it in half

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really nice

Joe in NY – Machine this part was bought for: 2004 YAMAHA YFZ 450

Comments On Jun 29, 2013:Really nice peice of usually overlooked gear, a must have for K&N filter owners

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Helps keep the fine dust out

Comments On May 31, 2013:Great second layer of protection without the restriction.

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Great cheap addition

JEFFREY in AZ

Comments On May 29, 2013:Repels water like crazy, not submersion obviously but splashes of water just bead up and roll off. Dirt and dust cleans off with a quick swat across your pant leg. If you get it muddy a quick rinse in the sink and you're back on the trail.

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nothing wrong with extra protection

James in GA

Comments On May 17, 2013:one more thing to help your engine last for years!

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YES, JUST DO IT..........IT IS IMPORTANT TO HAVE!

Comments On Jan 08, 2013:Without this Pre-filter, your K&N filter pulls in fine particles of dust which can hurt your engine. Well worth the extra money if you're getting the K&N filter. Basically, this is a filter for your filter. Cleaner air....more power!

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Must have for K&N Filters

Ken in AZ

Comments On Jul 27, 2012:Keeps filter much cleaner in dusty and sandy conditions.

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works great

Kevin in IA

Comments On Jul 19, 2012:keeps my filters cleaner. Keeps dirt out of engine a must have for dusty conditions.

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A Must

ADAM in RI

Comments On Apr 21, 2012:WILL not run a K@N ait filter without this. Works very good

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excelent

Everardo in CA

Comments On Apr 12, 2012:this is a very good product. it helps the k&n filter stay clean

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Good protection for the sand and dust

Alexander in -

Comments On Dec 12, 2011:Good to keep all the sand away from the filter and the engine. This is my second K&N Filter Outwear. It is easier to wash the filter after you have used Outwear. It wears out after more than a year but is making very good job. Will definitely buy more of these. Used it with my K & N filter on Suzuki LTZ 400

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Works great!

Rick in CA

Comments On Oct 01, 2011:Works great, fits good, will buy again!

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Filter outerwear

THOMAS in KS

Comments On Aug 31, 2011:A must for sand conditions. Keeps particles from getting into engine. Easy to install.Additional Comments On Aug 31, 2011:Don't ride without it

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outerwears prefilter

JUSTIN in NM

Comments On Aug 25, 2011:absolute must if you ride at the dunes!!!

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Worked good.

melanie in OR

Comments On Jun 23, 2011:These outerwears work great and last a long time. would buy again.

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fit good

Kevin in UT

Comments On Jun 16, 2011:do what they should, k&n will allow dirt through without them

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Buy it.

Douglas in CA

Comments On May 24, 2011:I ride in really dusty conditions with a open air box. This single piece of equipment has cut my filter maintaince in half! Easy wash out dry and replace. It grabs the majority of the small dust particals and continues to flow the required amount of air. It does what it designed to do.

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Great for silt and dusty riding

Aaron in CA

Comments On May 13, 2011:If you're always riding in the back of the pack, then the pre filter is for you. I was extremely impressed to find that the pre filter caught all the dust and silt that got sucked into the airbox. When the pre filter gets old, it becomes brittle and tears apart, but they last for a couple years before that happens.

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K&N Outerwears

Timothy in CA

Comments On Mar 14, 2011:I've had K&N filters on all by cars and toys for years, but this is the first Outerwear that I ever purchased. What was I thinking? It makes it so much more convenient to clean the filter when these bad boys collect all the big stuff first!

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great

LOGAN in KY

Comments On Mar 06, 2011:outerwears work and look great

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should be factory; not aftermarket

Gary in VA

Comments On Feb 17, 2011:the first 2 things to buy before buying gas;K@N filter and Outerwears. more power, better gas miles, and last forever.

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05 400EX

James in TN

Comments On Feb 12, 2011:Fit perfectly on my 05 400EX. Came with several stickers of different sizes and design.

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pre filter

Christopher in ND

Comments On Jan 26, 2011:an absolute necessity when you use a K&N

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exc cover for a K@N air filter

GARRETT in PA

Comments On Sep 14, 2010:helps w/ water resisting also if you spray some "camp dry" silicon spray on

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A must have

Jeremy in MO

Comments On Feb 26, 2010:I will never have a filter again without an outerwears pre-filter it works wonders traps all the big things out and keeps the filter clean its awesome

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Does what its supposed to do

Frank in NM

Comments On Feb 16, 2010:Great pre-filter, water beads off it and stop A LOT of dust!! Definitely helps extend filter service intervals!

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Keeps sound OUT!!

Roxey in UT

Comments On Feb 02, 2010:You must have this if you ride dunes, it keeps all the sand off your filter

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Does what it should

Carla in MO

Comments On Feb 01, 2010:It keeps bigger debris out of my k&n and it will keep out some mud and water.

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A Must Have If U Ride In Dusty Conditions

FRED in WI

Comments On Dec 22, 2009:This is indispensable. It traps a lot of dirt/dust and saves having to clean and oil the air filter as often. Rinse it out, dry and put back over the air filter.
As another reviewer posted, I noticed it does tear a little around the elastic where it slides over the air filter. That's the only negative.

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MUST HAVE

Josh in MO

Comments On Jul 19, 2009:This is a must have.

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works good

TRAVIS in VT

Comments On Apr 14, 2009:this product helps my K&N filter with light water splashes, and dust. however it seems like every couple of years the elastic wears out, and it gets a tear or two in it. im not sure how it tears but it does. all in all for the price i dont mind buying them once in a while.

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This just makes sense.

Cameron in CO

Comments On Apr 01, 2009:It just makes sense to prefilter your K&N. You'd be surprised what this prefilter will catch. You can shake that out on the trail and go again, effectively extending the time between real K&N cleanings.

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I don't get it...

DOUGLAS in NY

Comments On Jan 05, 2009:Not sure what this does. It stays clean and the K&N filter is packed with dirt (on the outside of course). My guess is, whatever hits the pre-filter goes right through. So what's it for?

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Save ur Filter

Jeffrey in AR

Comments On Jan 05, 2009:If you have a K&N air filter, you should have this on it. It stops ALOT of dirt from making it to your filter. I have these on both my bikes and both my trucks.

Love it

DARRELL in OH

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Great with K&N

Steven in TN

Comments On Dec 17, 2008:A must have if you are going to use a K&N filter. Great product.

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Must Have

WALLACE in WA

Comments On Oct 19, 2008:We ride the sand all the time...if you do, this is a must have! keeps my K&N's cleaner longer.

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Best money you can spend if you have a K&N

COLE in UT

Comments On Aug 24, 2008:Love this thing! it keeps the filter so clean that after 2 weekend long trips to the sand dunes i still can't talk my self into cleaning it i inspect it after every ride and usually clean it but after i installed this prefilter it still looks way clean and all the oil is still on the filter and in good shape. I plan on cleaning the filter anyway because it's always better to play safe but after 4 days of riding in the sand it's still clean. I'm sure this prefilter will pay for its self with all the cleaner, oil and time i will save. now i want to buy one of these for all my bikes! and I Plan on it!
I believe this is the filter for the longer K&NAdditional Comments On Aug 24, 2008:I believe I made a mistake, I think this filter is for the shorter K&N.

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Good Product

Jimmy in AZ

Comments On Jul 31, 2008:Does the job, keeps out the larger chunks and
I just recently sunk my quad in a river and my airbox got water in it yet my quad still ran great! water repellent for sure. BUY IT!

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great product

Michael in CO

Comments On Jun 05, 2008:really helpfull if you ride in dusty conditions. helps extend the life of your filter between cleanings

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Great fit

JOSHUA in ME

Comments On Jun 10, 2008:This is a must if you have a k&n air filter. I ride a lot of sand pits and dusty trails, and it works great.

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very good product

JOE in OR

Comments On May 28, 2008:I have been running this product for the last year and it has held up well.

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Works great

Dave in ME

Comments On May 26, 2008:Works great and fits perfect, easy to install.

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great

Kathleen in PA

Comments On May 15, 2008:great protection

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Must have for muddy conditions

JESSE in OK

Comments On Mar 20, 2008:This is a must have for deep water. Helps prevent the machine from stalling in water or mud.

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Excellent

DAYLAN in IN

Comments On Mar 18, 2008:Great performance.

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Sick looking

Aaron in UT

Comments On Mar 18, 2008:sick looking

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Good product

PATRICIA in IL

Comments On Mar 10, 2008:Saves on cleaning your K&N.

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1 of 1 people found this review helpful.

must have

LARRY in WA

Comments On Mar 12, 2008:gotta get one if ur usin the k&n filter... use it for a week and see all the dirt/sand sitting in your airbox that could have been in your carb...

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Fits Perfect

Allen in AZ

Comments On Mar 11, 2008:Fits on my k&n filter for my z400 perfectly. Definitely a must if you have no air filter lid too, keeps everything out of the engine

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Good

JASON in OR

Comments On Mar 12, 2008:Worked like it should

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Wouldn't Ride Without One!

JESSE in FL

Comments On Mar 07, 2008:These are top notch products. i run them on all my bikes!

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Looks Great / Works Excellent

Brett in IL

Comments On Mar 05, 2008:Works exactly as designed and have no problems yet. A++++

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prefilter

Dahlen in NV

Comments On Mar 03, 2008:Its a must if your goin with a k&n air filter.

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Outer Wears

Tyler in MO

Comments On Feb 28, 2008:Worked pretty well to help keep sand out recommend lining boots with wheel bearing grease as well better safe than sorry.

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outerwear

JANA in AZ

Comments On Feb 20, 2008:really this does not work as well as others. because you must work it into place rather than just covering the filter. dirt has a tendency to get around the outerwear when it slips.

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Outerwears

Edward in NC

Comments On Feb 24, 2008:Do not run your K&N without this prefilter if you run your machine hard!

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yes

gerald in ME

Comments On Feb 21, 2008:a perficet way to top off a great filter.

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The best

TR in OR

Comments On Feb 16, 2008:No one should go without these. Keeps most of the dirt out and are easy to clean, LOVE them.

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highly recommend

Joe in WA

Comments On Feb 09, 2008:These work great for all types of riding. I have them on all three of my quads.

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insurance

JUSTIN in AL

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in the dust & sand you need 1 for your k&n

BRIAN in OK

Comments On Feb 07, 2008:they do a great job helping keep the stuff out of your k&n

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Great Prefilter

THOMAS in CA

Comments On Feb 06, 2008:I was impressed with the amount of dust this thing prevented from getting into the filter. I am using them on three different ATV's. They are a bit difficult to install but well worth the effort.

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WORKS

SHANNON in MO

Comments On Feb 03, 2008:Does just what it says. Paired it with a K&N air filter. Keeps the sand out.

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DON'T RUN A K&N WITHOUT ONE

BRANDON in UT

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Protects great

scot in WA

Comments On Dec 18, 2007:Went to St. Anthony's dunes and it protected my K&N awesome. No sand on it after 4 days of riding. Great cover.

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A little short

BLAKE in UT

Comments On Dec 10, 2007:The filter cover is made very well but on my 2 Suzk 400s they could have been at least 1/4 inch longer.

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a must have..

Sean in NJ

Comments On Dec 08, 2007:like title says, must have for anyone.. no matter what kind of riding, it stops all the big stuff so the filter doesn't get clogged up..they are great things.

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A must

MICHAEL in CA

Comments On Dec 05, 2007:This is a must for anyone running a K&N air filter and no cap.

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The Best!!

LUZ in WA

Comments On Dec 02, 2007:The best protection you can buy for your K&N Filter

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pluses and minuses

TIM in OR

Comments On Nov 21, 2007:On the plus side, I does very well against sand and grit. On the down side, it doesn't resist abrasion well.
Pluses outweigh the minuses for sure. Dirt in the motor = disaster.

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good idea

JOSH in MN

Comments On Nov 15, 2007:good idea if you have no air box to protect the filter but im not so sure how well it will cling to the filter in rough riding

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I have always run a outerwear on my k&n

Lori in PA

Comments On Nov 13, 2007:This product works awesome no more clogged filters from dust and repels water so when u splash your filter the dust dont get stuck in the water.

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cathces alot more dust

richard in MA

Comments On Nov 12, 2007:this bagnoticable helps to keep sand and dust off filter and out of engine. a must have to help filter preform its best

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Outerwears covers

Delisa in MS

Comments On Nov 09, 2007:works great, keeps everything off of my air filter including dust, water, and mud

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raptor

DEREK in IL

Comments On Nov 05, 2007:The outerwear wouldn't let enough air in when dirty and ripped easily. the k&n filter does the job good enough by itself.